VX-4600CB O
perating
M
anual
16
Description of Operating Functions
D
immer
Press (or press and hold) the assigned
PF
key to select the brightness level of the
display and keypad. Available selections are four levels.
m
onitor
Press (or press and hold) the assigned
PF
key to disable the Signaling Squelch
(CTCSS, DCS, 5-Tone Signaling, or DTMF Pager). Press (or press and hold) the
assigned
PF
key again to resume normal (quiet) the Signaling Squelch action.
When the Signaling Squelch is disabled, the “ ” icon will be indicated on the dis-
play.
SQL o
ff
Press (or press and hold) the assigned
PF
key to disable both the Noise and Sig-
naling Squelch (CTCSS, DCS, 5-Tone Signaling, or DTMF Pager) systems. Press
(or press and hold) the assigned
PF
key again to resume normal (quiet) operation
of the Noise and Signaling Squelch system.
When the Noise and Signaling Squelch is disabled, the “ ” icon will be blinking
on the display.
L
ock
Press (or press and hold) the assigned
PF
key to lock the
PF
keys and
PTT
switch.
In the Lock mode, the display will show “
-LOCK-
” when you touch the
PF
keys
or
PTT
switch. Of course, you may cancel the Lock mode by press (or press and
hold) the assigned
PF
key).
S
can
The Scanning feature is used to monitor multiple channels programmed into the
transceiver. While scanning, the transceiver will check each channel for the pres-
ence of a signal, and will stop on a channel if a signal is present.
To activate scanning
, press (or press and hold) the assigned
PF
key to acti-
vate scanning on the channel, looking for active ones; it will pause each time
it finds a channel on which someone is speaking.
To stop scanning
, press (or press and hold) the assigned
PF
key again. Op-
eration will revert to the “Scan Start” channel.
a
dvanced
o
peratIon